舌敝唇焦 Origin — Chinese Character Wiki

shébìchúnjiāo

to talk until one's tongue is worn out and lips are parched

舌 shé noun

tongue

(bound form) tongue; also refers to the organ used for tasting, chewing, and speaking
敝 bì

tired

(literary) tired; exhausted; worn out
唇 chún noun

lip

(bound form) lip; the fleshy part surrounding the mouth of a human or animal
焦 jiāo

dried

dried up; parched; withered